When practicing with a bow and arrow, it is necessary to be aware of both the ______ and the ______ of one’s arrows if one wishes to hit the target.

A．humans can more accurately manage the data collected
B．humans can apply critical thinking skills to new situations
C．humans can typically stay in outer space for longer periods of time
D．humans are more sensitive to environmental changes
E．humans are better at preparing instrumentation for use in space